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OpenStudy (anonymous):
I need to know if the following 2 answers are correct for these 2 problems: If a person is 67% efficient in lifting an object, how much work was done when the person input 130 J of energy? This answer should be rounded to the ones place. It also needs to include the appropriate unit with the answer. 6. A person is 67% efficient. If they are able to do 75 J of useful work, what is their total work or energy input? Round your answer to the tens place. Be sure to include the appropriate unit in the answer. And here's my answers: 51.5 and 89.2
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OpenStudy (anonymous):
Can anyone help?
OpenStudy (anonymous):
sorry idk.
OpenStudy (anonymous):
Alright thanks anyway
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